Foraminifera taxon details
Omphalocyclus Bronn, 1853 †
722435 (urn:lsid:marinespecies.org:taxname:722435)
accepted
Genus
Orbulites macropora Lamarck, 1816 † accepted as Omphalocyclus macroporus (Lamarck, 1816) † (type by original designation)
- Species Omphalocyclus anatoliensis Özcan, 2007 †
- Species Omphalocyclus cideensis Özcan, 2007 †
- Species Omphalocyclus macroporus (Lamarck, 1816) †
- Species Omphalocyclus maldonensis Gunter, Robinson & Mitchell, 2002 †
- Species Omphalocyclus omanensis Özcan, Yücel & Kayğılı in Kayğılı et al., 2021 †
- Species Omphalocyclus pantanellii Silvestri, 1920 †
- Species Omphalocyclus schlumbergeri (Silvestri, 1907) †
marine, brackish, fresh, terrestrial
fossil only
masculine
Bronn, H. G., and E. Roemer, 1853, Lethaea Geognostica; vierte Periode; Kreide-Gebirge: Aufl. 3, Bd. 2, Theil 5 (1851-1852). Stuttgart: E. Schweizerbart.
page(s): p. 95 [details]
page(s): p. 95 [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Omphalocyclus Bronn, 1853 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=722435 on 2024-04-18
Date
action
by
original description
Bronn, H. G., and E. Roemer, 1853, Lethaea Geognostica; vierte Periode; Kreide-Gebirge: Aufl. 3, Bd. 2, Theil 5 (1851-1852). Stuttgart: E. Schweizerbart.
page(s): p. 95 [details]
basis of record Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online at https://books.google.pt/books?id=n_BqCQAAQBAJ [details] Available for editors [request]
page(s): p. 95 [details]
basis of record Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online at https://books.google.pt/books?id=n_BqCQAAQBAJ [details] Available for editors [request]
From editor or global species database
Diagnosis Test discoidal, biconcave, centrally depressed and thickest at the periphery, early stage of microspheric generation with a small irregular coil that is not in the plane of the adult test, megalospheric embryo of two to four chambers, followed by cycles of arched equatorial chambers that communicate through large marginal stolons, the equatorial chambers rapidly increasing in thickness, then supplemented by lateral chambers that are not differentiated but are similar to the equatorial chambers. U. Cretaceous (Maastrichtian); France; Netherlands; Switzerland; Italy; Greece; Yugoslavia; Romania; Turkey; Iran; Syria; Tunisia; India; Tibet; Cuba. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]